<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<{foreach name="arr3" key="k" item="v" empty="$empty"}>
    <{$k}>====<{$v['id']}> <span>&nbsp</span>  <{$v['name']}>
<hr>

<{/foreach}>

<{volist name="arr3" id="v" mod="3"}>

   <{$mod}>++++ <{$key}> <span>键名</span> <{$v['id']}> <span>id</span>  <{$v['name']}><span> 名字</span>
<hr>
<{/volist}>

<hr>
<{for start="1" end="6"  name='i'}>
<{$i}>
<hr>
<{/for}>
<hr>
<{eq name="abc" value="2"}>
哈哈哈
<{else/}>
不相等
<{/eq}>
</body>
</html>